32630472 has 96 divisors (see below), whose sum is σ = 105472800. Its totient is φ = 9319968.

The previous prime is 32630459. The next prime is 32630473. The reversal of 32630472 is 27403623.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (32630473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9043 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (1098675).

Almost surely, 2^32630472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32630472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52736400).

32630472 is an abundant number, since it is smaller than the sum of its proper divisors (72842328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32630472 is a wasteful number, since it uses less digits than its factorization.

32630472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 32630472 is about 5712.3088151815. The cubic root of 32630472 is about 319.5516899331.

The spelling of 32630472 in words is "thirty-two million, six hundred thirty thousand, four hundred seventy-two".